BeneLink Module Operator’s Manual  4-53 
Monitor output: parameters from Hamilton G5 (Block Protocol) Ventilator 
Label  Description  Trend, record, print 
fspn  Spontaneous respiratory rate  Yes 
Texp  Expiratory time  No 
I:E  Inspiratory time:Expiratory time ratio  No 
Ri  Inspiratory resistance  Yes 
Re  Expiratory resistance  Yes 
Cstat  Static compliance  Yes 
RCexp  Expiratory time constant  No 
RCinsp  Inspiratory time constant  No 
RSBI  Rapid shallow breathing index  Yes 
O2% 
Oxygen concentration  Yes 
WOB  Work of breathing  Yes 
EtCO2  End-tidal carbon dioxide  Yes 
VCO2  CO
2
 production  No 
PR  Pulse rate  Yes 
SpO2 
Arterial oxygen saturation from pulse 
oximetry 
Yes 
VT/Kg  TVe/IBW  No 
Setting Parameters 
f  Breath rate  No 
VT  Tidal volume  No 
TPause  Apnea Time  No 
P-Trigger 
Inspiratory trigger 
level(pressure trigger) 
No 
PEEP/CPAP  PEEP/CPAP  No 
Plow  Lower pressure level  No 
Psupp  Pressure support level  No 
MV  Minute volume  No 
Plimit  Pressure limit level  No